One of the mysteries of the English language finally explained.
A whirling mass of fluid or air, especially a whirlpool or whirlwind.‘we were caught in a vortex of water’figurative ‘a swirling vortex of emotions’
whirlwind, whirlpool, gyre, maelstrom, eddy, swirl, swirling, countercurrent, counterflowView synonyms
- ‘As this material approaches the black hole, it swirls in a vortex, like water swirling down a drain.’
- ‘They save energy by slaloming back and forth between the vortices, or whirlpools.’
- ‘Currents passing around the tops of seamounts also create eddies and other vortices that can catch, hold and concentrate small plants and animals-phytoplankton and zooplankton-in suspension near summits.’
- ‘These grooves create microscopic vortices in the water next to the swimmer, thereby disturbing the flow of water along the body and reducing the surface friction drag.’
- ‘The resulting vector flow fields allow for the study of the distribution of velocity, vorticity and vortices.’
- ‘The magnetic fields of these vortices cause them to repel one another just as like-oriented magnets do.’
- ‘The pressure of the water in these swirling vortices is lower than it is in the undisturbed fluid around the fish.’
- ‘Even though the flow of vortices is almost transparent, it should be possible in time, to measure the flow power, the direction and plane that they take as they spin and propel away from the swimmer's body.’
- ‘The counterclockwise winds around the vortex often push Arctic air south over the USA.’
- ‘The five to 12 separate finlets behind the anal and second dorsal fins may allow the tail to push against less turbulence by preventing vortices from forming in water flowing toward the tail.’
- ‘Unlike wind tunnel test for airliners, there is no way to confirm exactly if or how vortices and shock waves form off of wing tips or other geometries.’
- ‘The denser sand on top sinks while light sand on the bottom rises, creating swirling vortices akin to the convection rolls that are common in gases heated from below.’
- ‘A descent through your rotor wash creates swirling vortices that spoil lift, so the more power you add, the worse it gets, and the faster you fall.’
- ‘Dust devils are swirling vortexes that can tower several miles high and a quarter-mile (about a half a kilometer) wide at the base.’
- ‘These vortices however, are unstable masses of air that can cause lots of problems to fly in.’
- ‘He studied the dynamics of viscous fluids and the theory of vortices with applications to aeronautics in mind.’
- ‘Inside clouds tiny vortices created by the wind spin water-sodden dust particles into clusters, where they meld to form raindrops, say the authors.’
Mid 17th century: from Latin vortex, vortic-, literally ‘eddy’, variant of vertex.
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